Refine Writing Desk GUI to match Legacy layout

README.md

@@ -33,9 +33,10 @@ and right inventory. Put vanilla paper in the
 upper-left slot and Ink Vials in the upper-right; a copy appears in the
 lower-left result slot when the selected page is valid. Taking it consumes one
 paper and, by default, one ink. An empty meter consumes a vial to refill and
-returns a vanilla glass bottle to the lower-right slot. The ALL browser searches
-and filters symbols held in the desk's loose pages and Notebooks; selection
-is validated against the server's current symbol catalog.
+returns a vanilla glass bottle to the lower-right slot. The `AZ` control sorts
+visible pages by name; `ALL` shows pages held across every desk tab. Search and
+category filtering narrow the view without granting new pages, and cross-tab
+copy selection is checked by the server.
 Selecting a stored page on the desk surface shows its Legacy-proportioned
 portrait preview and name above the player inventory.